Home / 19,637.18-27,099.36-10,684.68

Finding the Fourth Proportional to 19,637.18, 27,099.36 and 10,684.68

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Solution

The fourth proportional to 19,637.18, 27,099.36 and 10,684.68 is: 14,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.18 : 27,099.36 = 10,684.68 : x
  2. Step 2: Convert to fraction form
    19,637.18/27,099.36 = 10,684.68/x
  3. Step 3: Cross multiply
    19,637.18x = 27,099.36 × 10,684.68
  4. Step 4: Simplify right side
    19,637.18x = 289,547,989.80
  5. Step 5: Solve for x
    x = 289,547,989.80/19,637.18
  6. Step 6: Final answer
    x = 14,744.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.